Ethylene Oxide Detection Tubes (0.05 to 3% ppm)
Gastec Detection Tube No. 163 measures Ethylene Oxide with a Range of (0.05)-3.0%.
- Measuring Range: (0.05) to 3%
- Number of Pump Strokes: 1 (100 ml)
- Correction Factor: 1
- Sampling Time: 45 seconds per pump stroke
- Detecting Limit: 0.02% (1 pump stroke)
- Changes from Orange to Green
- Corrections for temperature & humidity: Unnecessary
- Relative Standard Deviation: 10% (for 0.05 to 1.0 %), 5% (for 1.0 to 3.0 %)
- Reaction Principle: C2H4O+ Cr6+ + H2SO4 → Cr3+
- Store the tubes at cool and dark place.
- 3 Year Shelf Life
Possible coexisting substances and their interferences:
| Substance |
Interference |
Changes color by itself to |
| Alcohols |
+ |
Green |
| Aromatic hydrocarbons |
+ |
Green |
| Esters |
+ |
Green |
| Ketones |
+ |
Green |
Other substances measurable with this detector tube:
| Substance |
Correction Factor |
No. of Pump Strokes |
Measuring Range |
| 1,4-Dioxane |
2.0 |
1 |
0.1 to 6.0% |
| Propylene oxide |
1.3 |
1 |
0.065 to 3.9% |
Ethylene Oxide Detection Tubes (0.05 to 3% ppm)
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